Toothbrush



FIG. 1 is a front, right, top perspective view of a toothbrush showing our new design;

FIG. 2 is a back, right, top perspective view thereof;

FIG. 3 is a plan view thereof;

FIG. 4 is left side elevational view thereof, the right side elevational view being a mirror image thereof;

FIG. 5 is a top end view thereof; and,

FIG. 6 is a bottom end view thereof.

The broken line showing of bristles in FIGS. 1, 2, 3 and 6 are environmental only and are included for the purpose of illustrating portions of the toothbrush that form no part of the claimed design. 

CLAIM The ornamental design for a toothbrush, as shown and described. 